To be sure, many of these funds have gotten to the size they are due to strong performances in previous years. Still, the weak 2017 performance by some of the biggest names in the hedge fund industry highlights the challenge facing many managers.

The HFRI Weighted Composite Index, which tracks hedge funds, returned 4.8% this year through July.

What follows are this year’s returns for major funds, after fees. All the figures come from private client documents reviewed by Business Insider, unless otherwise noted. These funds manage money for public pensions, university endowments, sovereign wealth funds and the rich, among other big investors.

All asset figures, unless otherwise noted, come from the HFI Billion Dollar Club ranking, which measures firmwide hedge fund assets and are from the start of the year.

The Caxton Global Limited Investment Limited fund lost 11% through August 1, according to HSBC data.

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